package cn.wolfcode.service.impl;

import cn.wolfcode.domain.Role;
import cn.wolfcode.domain.Role;
import cn.wolfcode.mapper.RoleMapper;
import cn.wolfcode.qo.PageResult;
import cn.wolfcode.qo.QueryObject;
import cn.wolfcode.service.IRoleService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.Collections;
import java.util.List;

@Service
public class RoleServiceImpl implements IRoleService {
    @Autowired
    private RoleMapper roleMapper;

    @Override
    public void delete(Long id) {
        roleMapper.deleteByPrimaryKey(id);
        roleMapper.deleteRelation(id);

    }

    @Override
    public void save(Role role, Long[] ids) {
        roleMapper.insert(role);
        if (ids != null && ids.length > 0) {
            for (Long pid : ids) {
                roleMapper.insertRelation(role.getId(), pid);
            }
        }
    }

    @Override
    public Role get(Long id) {
        return roleMapper.selectByPrimaryKey(id);
    }

    @Override
    public List<Role> listAll() {
        return roleMapper.selectAll();
    }

    @Override
    public void update(Role role, Long[] ids) {
        roleMapper.updateByPrimaryKey(role);
        roleMapper.deleteRelation(role.getId());
        if (ids != null && ids.length > 0) {
            for (Long pid : ids) {
                roleMapper.insertRelation(role.getId(), pid);

            }
        }
    }
    public PageResult<Role> query(QueryObject qo) {
        int count = roleMapper.selectForCount(qo);
        if (count == 0) {
            return new PageResult<>(qo.getCurrentPage(), qo.getPageSize(),
                    Collections.emptyList(), count);
        }
        int a = count % qo.getPageSize() == 0 ? count / qo.getPageSize() : count / qo.getPageSize() + 1;
        if (qo.getCurrentPage() > a) {
            qo.setCurrentPage(a);
        }
        List<Role> roles = roleMapper.selectForList(qo);
        return new PageResult<>(qo.getCurrentPage(), qo.getPageSize(), roles, count);


    }
}
